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dre associates, Inc. <br />ENGINEERS, GEOLOGISTS A <br />MT ENVIRONMENTAL SCIENTISTS <br />April 2013 <br />Project No. 1301-0621 <br />SITE DESCRIPTION <br />Location: Kaiser Permanente, 7373 West Lane, Stockton, California <br />Hazards: Soil containing petroleum hydrocarbons. <br />Area Affected: Soil at the Project Site. <br />Surrounding Land Use: Commercial/Residential <br />Topography: Level <br />Weather Conditions: Mild with moderate late morning and afternoon winds. <br />PROJECT OBJECTIVE <br />The objectives of the environmental assessment program are to: <br />Preparation of a Technical Work Plan (TWP)/site-specific Health and Safety Plan <br />(HSP) prior to implementation of the soil assessment program; <br />Completion of a pre-assessment site visit to position and demarcate the <br />proposed drill hole locations prior to notifying Underground Service Alert (USA) <br />for clearance of potential underground utilities; <br />Advance ten drill using a hand auger to approximate depths of 5 feet, or the <br />depth at which practical refusal is encountered, whichever occurs first, to <br />facilitate the collection of soil samples for chemical analyses; <br />Chemical analyses of one soil sample (approx. 4.5 to 5') per drill hole (10 soil <br />samples) for the presence of TPHd using U.S. EPA method 8015 modified, and <br />BTEX and MTBE using U.S. EPA method 8260B. <br />Preparation of an assessment letter-report detailing the field methodologies <br />utilized, summarizing the chemical analytical results, and presenting Padre's <br />conclusions and/or recommendations for the Site. <br />SITE SETUP <br />A safe perimeter will be established at the work Project Site. The work area will be <br />restricted to required personnel only. No unauthorized personnel will be allowed within the <br />established safe perimeter, or will be allowed to enter the Project Site. Control boundaries will <br />be marked with caution tape if necessary to maintain the established safe perimeter. The <br />onsite command post will be established at the Padre Associates, Inc. vehicle onsite. <br />13.0621_Kaiser Stockton_TWP-HSP <br />- A3 -